guiding_light
17th September 2007 - 04:08 AM
http://www.physorg.com/news108647240.html another neat trick. gotta worry a little about heat diffusion though.
plasma_guy
18th September 2007 - 08:06 AM
Tips can go small but they can't go deep, if you know what I mean.
They also tried burrowing in with a long tall tip, but the displaced matter just squeezes shut the adjacent trench.